18620390

素因数分解:

$2^1\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1667}}^1$

素因数の和:2791

約数の個数: 16

約数和(自身を含む): 33566832

約数和(自身を除く): 14946442

約数列:

[1, 2, 5, 10, 1117, 1667, 2234, 3334, 5585, 8335, 11170, 16670, 1862039, 3724078, 9310195, 18620390]

約数ペア:

[(1, 18620390), (2, 9310195), (5, 3724078), (10, 1862039), (1117, 16670), (1667, 11170), (2234, 8335), (3334, 5585)]